jest.config.js

// SPDX-License-Identifier: MPL-2.0
// Copyright (C) 2019 - 2023 Gemeente Amsterdam
const path = require('path')

module.exports = {
  collectCoverageFrom: [
    'src/*.{js,jsx,ts,tsx}',
    'src/**/*.{js,jsx,ts,tsx}',
    '!src/*.test.{js,jsx,ts,tsx}',
    '!src/**/*.test.{js,jsx,ts,tsx}',
    '!src/test/**/*.{js,jsx,ts,tsx}',
    '!src/*/RbGenerated*/*.{js,jsx,ts,tsx}',
    '!src/app.{js,jsx,ts,tsx}',
    '!src/polyfills.{js,jsx,ts,tsx}',
    '!src/global-styles.{js,jsx,ts,tsx}',
    '!src/**/definitions/*',
    '!src/**/.*',
    '!src/sw-proxy*.{js,jsx,ts,tsx}',
  ],
  coverageThreshold: {
    global: {
      statements: 94.06,
      branches: 88.01,
      lines: 94.42,
      functions: 93.53,
    },
  },
  coverageReporters: process.env.CI ? ['text'] : ['lcov'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'json'],
  moduleDirectories: ['node_modules', 'src'],
  modulePathIgnorePatterns: ['<rootDir>/internals/', '<rootDir>/dist/'],
  moduleNameMapper: {
    '.*\\.css$': '<rootDir>/internals/mocks/cssModule.js',
    '.*\\.(jpg|jpeg|png|gif|eot|otf|webp|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
      '<rootDir>/internals/mocks/image.ts',
  },
  setupFiles: ['<rootDir>/internals/testing/jest.polyfills.ts'],
  setupFilesAfterEnv: [
    '<rootDir>/internals/testing/test-bundler.ts',
    '<rootDir>/internals/testing/jest-setup-msw.ts',
  ],
  testTimeout: 10000,
  testEnvironment: 'jsdom',
  testEnvironmentOptions: {
    customExportConditions: [''],
  },
  transform: {
    '^.+\\.(j|t)s(x?)$': [
      'babel-jest',
      { configFile: path.resolve(__dirname, 'babel.config.js') },
    ],
  },
  testRegex: '.*\\.test\\.(js|ts(x?))$',
  snapshotSerializers: ['enzyme-to-json/serializer'],
}